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ChatGPT Savings Calculator

Compare costs between ChatGPT Free, ChatGPT Plus, and ChatGPT API for your usage volume.

Input Values

120500
tokens
tokens
days

Results

Monthly Queries

440 messages

Monthly Input Tokens

88,000 tokens

Monthly Output Tokens

176,000 tokens

API Cost (raw)

$0.12

Free Plan Limit

40 messages/day (approx)

ChatGPT Free

$0.00

Limited to ~40 messages/day on GPT-4o Mini

ChatGPT Plus

$20.00

Main Result

$20/month โ€” unlimited GPT-4o access

ChatGPT API (GPT-4o Mini)

$0.12

Main Result

Pay per use at GPT-4o Mini pricing

API Savings vs Plus

$19.88

You save this amount by using API instead of Plus

Share your results

Not sure whether to use ChatGPT Free, pay for Plus, or use the API directly? This calculator helps you find the most cost-effective option based on your actual usage.

Perfect for individuals, freelancers and small teams deciding how to access ChatGPT.

Which ChatGPT Plan is Right for You?

ChatGPT Free

  • GPT-4o Mini access, ~40 messages/day
  • $0/month โ€” great for occasional use

ChatGPT Plus ($20/month)

  • Unlimited GPT-4o access
  • Best for heavy daily users (20+ messages/day)

ChatGPT API

  • GPT-4o Mini: $0.15/$0.60 per 1M tokens
  • Pay only for what you use
  • Best for developers and automation

Pro Tips

  • โ€ข API is cheaper than Plus if you send less than ~150 messages/day
  • โ€ข ChatGPT Plus includes GPT-4o, plugins, and image generation
  • โ€ข For automation workflows, always use the API
  • โ€ข GPT-4o Mini via API is 95% as capable as GPT-4o for most tasks
ChatGPT Free vs Plus vs API Cost Calculator 2026 | AiPromto